Question

pfvr mim ajuda e pra amanha pfvr​

Answer 1

a) 10% de 70

10%=10/100=1/10

1/10 de 70

1/10.70=70/10=7

b) 20% de 75

20%=20/100=1/5

1/5.75=75/5=15

c) 90% de 40

90%=90/100=9/10

9/10.40=360/10=36

ESPERO TER AJUDADO

Answer 2

Ⓓ

$\frac{10}{100} \times 70 = \\ \\ \frac{700}{100} = \\ \\ 7$

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Ⓔ

$\frac{20}{100} \times 75 = \\ \\ \frac{1 \:500}{100} = \\ \\ 15$

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Ⓕ

$\frac{90}{100} \times 40 = \\ \\ \frac{3 \: 600}{100} = \\ \\ 36$

Bons Estudos!